A Norwegian Cruise Line Holdings' brand and a newcomer to the cruise industry have both unveiled ships with rooms catered to the lone traveler.
They tested positive despite Royal Caribbean's vaccination requirements for all crew members and passengers over the age of 16.
Jordan Bauth is a figure skater on Royal Caribbean's Adventure of the Seas. She learned her entire skating routing while quarantining in her cabin.
Unvaccinated guests looking to cruise aboard Royal Caribbean and Carnival's Florida cruises will face on-board restrictions and higher costs.
The lawsuit argued that the cruise line should have warned about the open window on the 11th deck where 18-month-old Chloe Wiegand fell to her death.
Unvaccinated guests sailing aboard the Freedom of the Seas in July won't have access to select parts of the ship, including some bars and dining.
"A server tripped and spilled some wine in the restaurant and started crying. You can tell they're on edge," Halee Whiting, 32, says about her trip.
The policy comes after two unvaccinated guests under 16 years old tested positive aboard Royal Caribbean's Adventure of the Seas.
All crew and passengers over 16 years old aboard the ship are vaccinated but the two COVID-19-positive guests are under 16 years old and unvaccinated.
Halee Whiting is a hospitality worker who's excited to reconnect with friends. She says cruises require everyone to be respectful and do their part.
Royal Caribbean's Odyssey of the Seas cruise ship was scheduled to set sail on July 3, but that was postponed to July 31 due to the COVID-19 cases.
The company announced that guests are "strongly recommended to set sail fully vaccinated" but will not be mandated to do so, nor show verification.
Celebrity Cruises will begin welcoming passengers on June 26 from Florida, but its COVID-19 vaccine policy sets it up for a battle with the state.
"We want you to be more comfortable walking onboard a ship than walking down Main Street," Richard Fain, Royal Caribbean's CEO, told the BBC.
The sailings, initially set to begin in June, would have been Royal Caribbean's first cruises from Israel.
Cruising in US waters still remains in limbo, and cruise lines are constantly pushing back their return to sailing dates.
Florida Gov. Ron DeSantis' issued an executive order banning the requirement of vaccines, but many cruise lines have already announced vaccine mandates.